皱褶部位癣病的发病因素包括()。
A.肥胖
B.糖尿病
C.易出汗
D.生活卫生状况
E.年龄
参考答案:A, B, C, D
Generally speaking, prices of daily goods ______ through the Internet are lower than store prices.
A.to buy
B.are bought
C.buying
D.bought
磨床的保养分为()、()、()。